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author | David S. Miller <davem@davemloft.net> | 2018-09-05 07:33:03 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2018-09-05 07:33:03 +0300 |
commit | 36302685f59345959de96d0d70a5ad20a3a3451b (patch) | |
tree | 778b3170acd1131840823520a4664f2bba343dbe /net/core/rtnetlink.c | |
parent | 2fc4aa59ab470f1d5124b33c05680e2b2f2c6f65 (diff) | |
parent | 28619527b8a712590c93d0a9e24b4425b9376a8c (diff) | |
download | linux-36302685f59345959de96d0d70a5ad20a3a3451b.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r-- | net/core/rtnetlink.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 24431e578310..60c928894a78 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -324,6 +324,10 @@ void rtnl_unregister_all(int protocol) rtnl_lock(); tab = rtnl_msg_handlers[protocol]; + if (!tab) { + rtnl_unlock(); + return; + } RCU_INIT_POINTER(rtnl_msg_handlers[protocol], NULL); for (msgindex = 0; msgindex < RTM_NR_MSGTYPES; msgindex++) { link = tab[msgindex]; |